Don't know about the vintage, but the rod is where the clew is attached to the boom - it provides an attachment point that does not bind like a strap around the boom - which enables the foot to move far easier under load. I would guess the wire is attached to some type of purchase arrangement inside the boom - probably 2:1 at least. If rope emerges at the other end my guess is probably right.
Yes, as I guessed. But could not ascertain how or what fastens to clew to enable adjustment etc.
Appreciate the responses.
Still need to date the aft boom item. It seems I can rig that as I wish anyway, as this mast and boom are not going on a Force 5, but good to have a model to guide application.
Not many 5 sailors around and likely fewer attend this site, but one never knows. Winters are long here.
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